Wash basin



FIG. 1 is a perspective view of a wash basin incorporating our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a first lateral view thereof;

FIG. 5 is a second lateral view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

Those portions of the article not shown form no part of the claimed design.

The broken lines in the figures are illustrative of features that form no part of the claimed design.

The broken lines in FIG. 1 show the wash basin in a possible configuration of use. 

CLAIM The ornamental design for a wash basin, as shown and described. 